Mcgrath Videolaryngoscope Versus Macintosh Laryngoscope in Patients With Manual In-line Stabilization

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-12-11

Study Completion Date

2018-07-07

Brief Summary

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Video laryngoscopy provides easily a good laryngeal view compared to direct laryngoscopy. It is particularly, useful in patients with anticipated difficult intubation, and also widely used for educational purposes. Among video laryngoscopy, Mcgrath is a recently-developed, portable video laryngoscopy with a liquid crystal display (LCD) monitor and disposable curved blade.

Mcgrath is known to provide excellent laryngeal visibility even in case of anticipated-difficult and anticipated-unsuccessful intubation as well as normal airway management. However, compared with direct laryngoscopy, the success rate of intubation and the time required for anticipated difficult intubation have been reported conflicting results in previous studies. The aim of this study was to compare the intubation success rate, the intubation time and the ease of use with Mcgrath video laryngoscopy and direct laryngoscopy during intubation.

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Detailed Description

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1. In the operating room, all patients are monitored with an electrocardiograph, noninvasive blood pressure, pulse oximeter, capnograph and Bispectral index (BIS) monitor. After pre-oxygenation with 100% oxygen for 1 minute, intravenous anesthesia (TIVA) with propofol and remifentanyl is administrated and followed by rocuronium (0.6mg/kg). When patients are lost their consciousness, manual mask ventilation is proceeded with 100% oxygen for 2 minutes.
2. Transoral endotracheal intubation is performed using Mcgrath videolaryngoscope (Group ML) and direct laryngoscope (Group DL) using manual in-line stabilization. At this time, the time required for intubation is measure by other medical personnel not engaged in this research.
3. The anesthesiologist assesses Cormack Lehane laryngeal visual field,external laryngeal manipulation, intubation difficulty scales (IDS) and the difficulty of intubation.

Conditions

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Anesthesia, General

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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Group ML

Mcgrath videolaryngoscopy

Group Type EXPERIMENTAL

Group ML

Intervention Type DEVICE

Mcgrath videolaryngoscope

Group DL

direct Macintosh laryngoscope

Group Type ACTIVE_COMPARATOR

Group DL

Intervention Type DEVICE

Macintosh laryngoscope

Interventions

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Group ML

Mcgrath videolaryngoscope

Intervention Type DEVICE

Group DL

Macintosh laryngoscope

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Patients scheduled for general anesthesia requiring tracheal intubation. Patients are aged 19 to 70 years and are American Society of Anesthesiologists physical status I, II.

Exclusion Criteria

* Patients requiring rapid sequence intubation Patients with poor teeth or high risk of aspiration pneumonia Cervical spine pathology, pharyngeal pathology

Minimum Eligible Age

19 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No